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Although Calcium is lower on the activities series list I have seen calcium replace potassium in a reaction so the answer I think is YES

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11y ago
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10y ago

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Q: Can potassium replace calcium in a single replacement reaction?
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Will calcium chloride and potassium react?

Yes. The potassium will replace the calcium in the calcium chloride, producing potassium chloride and calcium. This is an example of a single replacement/displacement reaction. CaCl2 + 2K --> 2KCl + Ca


Can magnesium replace lithium in a single replacement reaction?

It is inverse.


What the single replacement reaction of fe plus C2H3O2?

A single replacement reaction will not occur. In a single replacement reaction, either a metal will replace another metal in a compound, or an anion will replace another anion in a compound. Click on the related link to see the Wikipedia article on single displacement (single replacement).


Reaction in which the atoms of one element replace the atoms of a cation in a compound?

Single Replacement Reaction.


Is double replacement a chemical reaction?

Yes it is a chemical reaction, where 2 cations replace each other.


What is the difference of a single replacement and double replacement reaction?

In a single-replacment reaction, atoms of an element replace atoms of another element in a compound. In a double-replacement reaction, two positive ions trade places between different ionic compounds.


How are reactions changed by a chemical reaction?

A chemical reaction will, in some cases, rearrange the atoms in the reactants to form products. For example, KCl + Na ---> NaCl + K, because Sodium (Na) is more electronegative (ability of an atom to pull on electrons) than Potassium (K) and will replace it. Hence this reaction being described as "Single Replacement". There are also double replacement, synthesis, decomposition, and combustion reactions.


Why does no reaction occur when copper is placed in a solution of calcium sulphate?

Copper is a less reactive metal than calcium, therefore it cannot replace the calcium in the calcium sulphate. Refer to the related link for a reactivity series.


Why does sodium and potassium reacts when placed in water?

There is something known as the activity series of metals. It is a list of the metals in order based on reactivity. For example, calcium is more reactive that magnesium, therefore calcium is higher on the list. Basically, when it comes to single replacement reactions, if you have a calcium ion or atom in the presence of a compound with magnesium in it, the calcium will replace the magnesium in the compound. Now, this is relevant because the 5 most reactive metals, lithium, potassium, strontium, calcium and sodium, are so reactive that they actually displace the hydrogen in water, making hydrogen gas and a hydroxide (with the metal). Potassium + Water = Potassium Hydroxide + Hydrogen gas. These 5 elements are so reactive because of their low ionization energies. They want to lose electrons and become part of a compound; even more so that a hydrogen atom does. So they will replace the hydrogen atom because it requires less energy to do so.


What element should fluorine replace in lithium bromide?

Fluorine will replace bromine to produce the compound lithium fluoride in a single replacement reaction.


Can copper sulphate replace cobalt chloride in replacement reaction?

no because cobal is more reactive than copper


Is there a reaction when calcium reacts with iron three chloride?

Yes. According to the activity series of metals, the calcium will replace the iron in the iron chloride compound, forming calcium chloride and iron. Refer to the related link for an activity series of metals.